Theft alarm



J. H. MINER May 8, 1923.

THEFT ALARM I Filed "June '15, 1921 gwvem-foz JH. Minermw gmmuwnwwlments in theft JAMES H. MINER,

or MERIDIAN, raissrssrrrr.

riinrr ALARM.

Application filed June 15, 1921. Serial 110.477,?94,

To all whom it may concern.

Be it know citizen of the of Meridian, in the county of Lauderdale.

Mississippi, t-ain new and useful Theft Alarms, of which 5 and State ofspecification.

My present able or port scribed herein as an alarm I motor vehicles, iscapable of the theft of n that I, JAMES H. Minna, a United States, andresident have invented cer- Improvements in the following is a inventionrelates to improvepreventing alarms formovable devices, and. while deforpreventing use in many situations.

economical,

The invention aims to provide a simple,

durable and eificient device which may be manufactured and-sold as aunitary article and which applied by the may be readily purchaser to hisvehicle, and

which when so applied will be easily operated to render it inaudiblewhen the ve hicle is used set in sound against theft.

by an authorized person, or producing condition to guard I have alsoaimed to provide a device which will and of the fewest possible parts,

moving the 1 of parts hereinafter 5 larly defined by the e cost ofproduction and reiability of its getting out of appended claims.

An embodiment of my invention is illustrated in the accompanyingdrawings, in

which Figure l is Fig. 2 is a ber locked in Referring drawing, the ablebox or alarm with the frontcasing show operating parts, and

an elevation of my improved removed to view with the soundingmeminaudible position.

by reference characters to this numeral 1 designates a suitcase designedto contain the render it audi Within the b ble or inaudible.

0x or casing and supended vehicles an inclosing soundmetal,

a bell. Such hard I prefer to use a sindicated at 3, and mount these soas to be vertically movableunder the .jars or vibrationsof the bodywhich occur when the vehicle, or other devic is carried, is in motion.knockers are suspended from the case by sensitive helical The soundingboard orbell is capable of vertical adjustment so that it can bepositioned at the will of. the operator so as to be just clear of theknockers or clappers, as shown in Fig. l, or to press against the sameand hold the shown in Fig.2.

In the former position,

Preferably the the topwall of springs 4.

plurality of knockers,

object,

such sounding member e by which the alarm. If i springs in compression,as

and ence strike the sounding member 2 and emit the alarm. In the latterposition, however, the

knockers will be ing board by the be produced.

convenient manner of supporting the sounding board is to support it froma p 4: vertically movable through the'top of the case or box, which isprovided with ing means indicated conventionally at 5, by which the,parts may be locked in either of the two positions desired. 5 7 Meansmay be provided, if desired, to prevent side swing ofthe knockers, inthe shape of partitions 6.

Having "thus described my what I claim is:

1. In an automatic pressed against the Soundsprings and no sound willtheft alarm for motor casing, a horizontally disposed sounding memberlocated therein, a knoclrer element located in proximity to saidsounding member, and a helical sp invention, a

gated member, and locking means for sounding against such relatweholding said knocker movement.

2. In an automatic f alarm, an eloncasing, a horizontally disposedsounding plateclisposecl in the lower part thereof, a plurality ofhelical springs clepencling from the top of the casing, knocker elementscarried by the lower encls of said springs in proximity to saiclsounding plate, and means for ,moving saictplate vertically to press itagainst said sounding element ancl for locking it in. such position.

Tln testimony whereof, I affix my signature.

JAMES H. RENEE.

